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Title: Transparent TiO2 nanotube array photoelectrodes prepared via two-step anodization

Two-step anodization of transparent TiO2 nanotube arrays has been demonstrated with aid of a Nb-doped TiO2 buffer layer deposited between the Ti layer and TCO substrate. Enhanced physical adhesion and electrochemical stability provided by the buffer layer has been found to be important for successful implementation of the two-step anodization process. As a result, with the proposed approach, the morphology and thickness of NT arrays could be controlled very precisely, which in turn, influenced their optical and photoelectrochemical properties.
 [1] ;  [2] ;  [2] ;  [2]
  1. Korea Institute of Science and Technology (KIST), Seoul (Republic of Korea); Korea Univ., Seoul (South Korea)
  2. National Renewable Energy Lab. (NREL), Golden, CO (United States)
Publication Date:
OSTI Identifier:
Report Number(s):
Journal ID: ISSN 2196-5404
Grant/Contract Number:
Accepted Manuscript
Journal Name:
Nano Convergence
Additional Journal Information:
Journal Volume: 1; Journal Issue: 1; Related Information: Nano Convergence; Journal ID: ISSN 2196-5404
Research Org:
NREL (National Renewable Energy Laboratory (NREL), Golden, CO (United States))
Sponsoring Org:
USDOE Office of Science (SC)
Country of Publication:
United States
14 SOLAR ENERGY; 77 NANOSCIENCE AND NANOTECHNOLOGY two-step anodization; transparent TiO2 nanotube arrays